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Operating expenses - Disposals and Impairment of PP&E (Details) - ARS ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Operating expenses |  |  |
Gain on disposal and impairment of PP&E | $ 21 | $ 17 | $ 31
Disposal and impairment of PP&amp;amp;E | (316) | (383) | (199)
Fixed services |  |  |
Operating expenses |  |  |
Impairment of PP&E | (5) | 2 | (116)
Decrease of PPE | (16) | (1) |
Mobile Services |  |  |
Operating expenses |  |  |
Impairment of PP&E | (229) | (369) | $ (114)
Decrease of PPE | $ (66) | $ (15) |

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- Definition Adjustments for impairment loss (reversal of impairment loss) on property, plant and equipment recognised in profit or loss to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2017-01-01 -Paragraph 20 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_20&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The gain on the disposal of property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 98 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_98_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of gain on disposal, impairment and disposal of property, plant and equipment. + References No definition available. + Details
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- Definition The amount of losses, other than losses on disposal and impairment, recognised in profit or loss for property, plant and equipment. + References No definition available. + Details
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